CMT Advanced Evaluation - Demyelinating

Test Code

92381

CPT Codes
81325, 81404 (x2), 81405, 81404 (x2)<br>*** RESTRICTED USE *** This code is available for Client #54840, 55738, 56176 and 54279 ONLY

Includes

CMT Advanced Evaluation - Demyelinating; PRX DNA Sequencing Test; PMP22 DNA Sequencing Test; EGR2 DNA Sequencing Test; GJB1 (CX32) Deletion Test; PMP22 Duplication/Deletion Test; GJB1 (CX32) DNA Sequencing Test; Myelin Protein Zero (MPZ) DNA Sequencing Test; GDAP1 DNA Sequencing Test; LITAF/SIMPLE DNA Sequencing Test; SH3TC2 DNA Sequencing Test; FIG4 (CMT) DNA Sequencing Test; SBF2 DNA Sequencing Test; FGD4 DNA Sequencing Test; DNM2 DNA Sequencing Test; MTMR2 DNA Sequencing; NDRG1 DNA Sequencing Test; YARS DNA Sequencing Test

Preferred Specimen

8 mL (pediatric: 2 mL) whole blood collected in an EDTA (lavender-top) tube

Minimum Volume

6 mL (1 mL pediatric (0-3 years))

Instructions

Immediate shipping is recommended to optimize DNA quality and quantity. Please label each specimen tube with two forms of patient identification. These forms of identification must also appear on the requisition form.

Transport Temperature

Room temperature

Specimen Stability

Room temperature: 10 days
Refrigerated: 10 days
Frozen: Unacceptable

Methodology
Next Generation Sequencing • Multiplex Ligation-dependent Probe Amplification (MLPA)

Setup Schedule

Report available: 21-28 days

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.